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A3 A4 Size Rigid Brown Do Not Bend Kraft Paper Cardboard Envelope Mailer
Product Details:
| Place of Origin: | Guangdong,China |
| Brand Name: | DINUO |
| Certification: | ISO9001：2015；FSC certificate |
Payment & Shipping Terms:
| Minimum Order Quantity: | 50 Sheets |
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| Price: | USD0.2~3.9/Sheet |
| Packaging Details: | Standard export cartons or as customers'requirements |
| Delivery Time: | Negotiation |
| Payment Terms: | T/T, L/C |
| Supply Ability: | 500000sheets per month |
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Detail Information |
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| Product Name: | A3 A4 Size Rigid Brown Do Not Bend Kraft Paper Cardboard Envelope Mailer | Material: | Kraft Cardboard |
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| Design: | Plain Or Patterned Designs Available | Size: | Various Sizes Available |
| Usage: | Ideal For Shipping Documents, Photos, And Other Flat Items | Durability: | Durable And Tear-resistant |
| Quantity: | Available In Bulk | Closure Type: | Peel And Seal |
| Highlight: | rigid cardboard mailer,rigid cardboard envelope mailer,not bend cardboard mailer |
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Product Description
A3 A4 Size Rigid Brown Do Not Bend Kraft Paper Cardboard Envelope Mailer
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Brand Name
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DINUO |
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Material
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kraft paper, cardboard paper
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Design & Printing
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Customized designs and printings are available
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Feature
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Smooth paper surface, Self-adhesive tape, Light weight, 100% recycle
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Application
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Can be used to post tape , CD, camera , lens , film , certificate , gifts, books etc.
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Samples
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Free Samples in stock for checking quality before bulk production
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Package
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By opp bags and corrugated boxes
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Delivery Time
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Within 15 days of order confirmation
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Our advantages
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Factory directly sale, very good quality and competitive price.
Professional in the manufacture of air cushion packaging, best service.
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At the core of these mailers is a thick, rigid kraft paper cardboard structure—engineered to withstand the rigors of transit. Unlike flimsy paper envelopes, they maintain their shape even under pressure, ensuring your contents stay flat and intact. Whether it’s a framed photograph, a set of blueprints, or a stack of unbound documents, the “Do Not Bend” embossed reminder reinforces careful handling, while the rigid build actively prevents creases, folds, or crushing during sorting, shipping, or delivery.
A3 (297 × 420mm): Perfect for large-format items like posters, architectural plans, art prints (up to 11×17 inches), or oversized documents that can’t be folded. No more compromising on presentation—send items in their original form.
A4 (210 × 297mm): Ideal for standard paperwork, certificates, booklets, small canvas paintings, or even delicate electronics (like tablets with protective cases). Fits most everyday items without extra bulk.
Made from 100% recycled kraft paper, these mailers are biodegradable and fully recyclable—aligning with green initiatives for businesses and eco-aware individuals. The natural brown hue reflects minimal processing, avoiding harmful dyes or chemicals, while the material’s inherent strength means you don’t need excessive packaging to keep items safe. Reduce your carbon footprint without sacrificing quality.
Secure Self-Adhesive Closure: A strong, tamper-resistant adhesive strip ensures a tight seal with just a press—no need for tape or glue. It stays closed through rain, humidity, or rough handling.
Easy Labeling Surface: The smooth kraft paper exterior accepts ink, stickers, or stamps effortlessly, so addresses and shipping labels stick firmly and remain legible.
Lightweight Yet Durable: Despite their rigidity, these mailers are lightweight, helping keep shipping costs low while maintaining maximum protection.
From businesses shipping contracts, product catalogs, or art prints, to individuals sending family photos, diplomas, or handmade crafts—these mailers adapt to any need. They’re also a favorite among photographers, artists, and designers who need to ensure their work arrives in pristine condition.
Q1: Howcan I get the price?
A1: All of the goods are customized. You can contact us by email, trade manager, Wechat, whatsapp.
Q2: How can we get a quote fast?
A2: Usually the price will be send within 4 hours,we will offer you the best quote after we get?theproduct?specifcations?such
as?material, size, shape, color, quantity, surface?fnishing, etc.
Q3: How to get samples? Free or paid?
A3: Our stock samples are available for free. (1-5 pcs) sample fee will be charged for customizedsamples
Q4: Can I get a sample before mass production?
A4: Of course! we will make the pre-production sample for your quality evaluation. Production will be started after your approval of samples.
Q5:How to ensure the correct rate of design?
A5: Before placing the order, we will send you the design draft for confrmation in frstly,next tocheck the sample effect again,and then carry out to the mass production.
Q6:What kind of information is needed for pricing?
A6:---Size:L*W
---Material: gsm, thickness and etc.
---Quantity.
---Printing: how many colors? Designs? Coverage? If possible, some pictures will highly appreciated and help a lot.
Our advantages are as below:
1,We Manufacture the full process, from Raw materials to finished products, no outsourcing, minimize your cost
2,Our factories have more than 100 advanced machines, for high efficiency
3,Over 10 years experience, offering you more professional service.
4,ISO, SGS, ROHS FSC certified company, National CNAS certified laboratory, for quality guaranteed
5,Partner from worldwide famous brands.
6,Wide range of products available,one-step service, and saving shipping costs.
Kindly visit and send inquiry to us freely by below
Welcome to DINUO PACKAGING.
We are manufacturer and exporter of courier and package materials and products in shipping supplies industry. With an unlimited selection of products ,such as glassine paper envelopes, kraft paper bags, poly mailers, bubble mailers, cardboard mailers, packing list envelopes, honeycomb paper sleeves, compostable mailing bags, Bopp packing tapes , thermal adhesive sticker and more. We are ready to be your ideal one-step packaging solution provider.
Our advantages are as below:
1,We Manufacture the full process, from Raw materials to finished products, no outsourcing, minimize your cost
2,Our factories have more than 100 advanced machines, for high efficiency
3,Over 10 years experience, offering you more professional service.
4,ISO, SGS, ROHS FSC certified company, National CNAS certified laboratory, for quality guaranteed
5,Partner from worldwide famous brands.
6,Wide range of products available,one-step service, and saving shipping costs.
Kindly visit and send inquiry to us freely by below contact information:
DONGGUAN DINUO PACKAGING CO., LTD
Add: 502, No.1 ZiJin Road, Liaobu Town, Dongguan City, Guangdong Province
Mobile phone/whatsapp/wechat: +86 13902696174
Email: dinuopack@163.com
